Mitogen-Activated Protein Kinase p38
MAPK14proteinMAPK14 (p38α) regulates platelet activation and inflammatory responses, contributing to thrombotic amplification post-plaque rupture.
Pathway placement
Cascade stepPlatelet adhesion & activation
Confidencemedium
RationalePlatelet activation signaling; p38 MAPK-mediated responses in MI.
Also acts inVascular inflammation, Lipid entry/oxidation
Druggability
DruggableYes
Known drugs / candidates28
Small-molecule tractableYes
Antibody tractableYes
EnsemblENSG00000112062
Type I vs Type II discrimination
ScoresLow-confidence (proxy)
R — rupture / Type-I43
C — confounder / Type-II74
A — assay feasibility72
E — evidence strength28
T1DI (composite)7
Specificity differential (R−C)-30.8
Confounder panel (Type-II drivers)
No confounder evidence retrieved.
Tier: light (literature co-occurrence proxy — lower confidence). See the discrimination table for all markers.
Assay & specimen
Class-level default (no specific cleared assay)— generic method inferred from analyte class; confirm against a specific product insert before use.
Specimen
Serum or plasma
Collection tube
Serum separator (gold/red-top, SST) · K2/K3-EDTA (lavender-top)
Method / principle
Sandwich immunoassay (ELISA) — research-grade unless a cleared assay exists
Reagent / substrate
Matched anti-target antibody pair (capture + labeled detection)
Platform
ELISA microplate or multiplex (Luminex/MSD)
Turnaround · availability
Send-out / research · Research-grade (no universal clinical assay)
Literature evidence(4)
- Exploring biomarkers related to coagulation and immunity in myocardial infarction based on bioinformatics.Scientific reports · 2025 · PMID 41258366 · doi
- Quercetin alleviates atherosclerosis by suppressing oxidized LDL-induced senescence in plaque macrophage via inhibiting the p38MAPK/p16 pathway.The Journal of nutritional biochemistry · 2023 · PMID 36924853 · doi
- Untargeted metabolomics identifies succinate as a biomarker and therapeutic target in aortic aneurysm and dissection.European heart journal · 2021 · PMID 34534287 · doi
- Platelet-Specific p38α Deficiency Improved Cardiac Function After Myocardial Infarction in Mice.Arteriosclerosis, thrombosis, and vascular biology · 2017 · PMID 28982666 · doi